Add route and action for new releases form

app/controllers/projects/releases_controller.rb

@@ -13,6 +13,7 @@ class Projects::ReleasesController < Projects::ApplicationController
     push_frontend_feature_flag(:release_asset_link_type, project, default_enabled: true)
   end
   before_action :authorize_update_release!, only: %i[edit update]
+  before_action :authorize_create_release!, only: :new
 
   def index
     respond_to do |format|

app/views/projects/releases/new.html.haml

+- page_title s_('Releases|New Release')

config/routes/project.rb

@@ -181,7 +181,7 @@ constraints(::Constraints::ProjectUrlConstrainer.new) do
           end
         end
 
-        resources :releases, only: [:index, :show, :edit], param: :tag, constraints: { tag: %r{[^/]+} } do
+        resources :releases, only: [:index, :new, :show, :edit], param: :tag, constraints: { tag: %r{[^/]+} } do
           member do
             get :downloads, path: 'downloads/*filepath', format: false
             scope module: :releases do

locale/gitlab.pot

@@ -18749,6 +18749,9 @@ msgstr ""
 msgid "Releases documentation"
 msgstr ""
 
+msgid "Releases|New Release"
+msgstr ""
+
 msgid "Release|Something went wrong while getting the release details"
 msgstr ""
 

spec/controllers/projects/releases_controller_spec.rb

@@ -3,6 +3,8 @@
 require 'spec_helper'
 
 RSpec.describe Projects::ReleasesController do
+  include AccessMatchersForController
+
   let!(:project) { create(:project, :repository, :public) }
   let_it_be(:private_project) { create(:project, :repository, :private) }
   let_it_be(:developer)  { create(:user) }
@@ -118,6 +120,15 @@ RSpec.describe Projects::ReleasesController do
     end
   end
 
+  describe 'GET #new' do
+    let(:request) do
+      get :new, params: { namespace_id: project.namespace, project_id: project }
+    end
+
+    it { expect { request }.to be_denied_for(:reporter).of(project) }
+    it { expect { request }.to be_allowed_for(:developer).of(project) }
+  end
+
   describe 'GET #edit' do
     subject do
       get :edit, params: { namespace_id: project.namespace, project_id: project, tag: tag }